84450312 has 24 divisors (see below), whose sum is σ = 228719790. Its totient is φ = 28150080.

The previous prime is 84450287. The next prime is 84450337. The reversal of 84450312 is 21305448.

It is an interprime number because it is at equal distance from previous prime (84450287) and next prime (84450337).

It can be written as a sum of positive squares in only one way, i.e., 74753316 + 9696996 = 8646^2 + 3114^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 586389 + ... + 586532.

Almost surely, 2^84450312 is an apocalyptic number.

It is an amenable number.

84450312 is an abundant number, since it is smaller than the sum of its proper divisors (144269478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84450312 is a wasteful number, since it uses less digits than its factorization.

84450312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172933 (or 1172926 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84450312 is about 9189.6850870963. The cubic root of 84450312 is about 438.7331188869.

The spelling of 84450312 in words is "eighty-four million, four hundred fifty thousand, three hundred twelve".